Jamie Foxx, left, presents Jay-Z with the award for best rap/sung collaboration at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Jamie Foxx, left, presents Jay-Z with the award for best rap/sung collaboration at the 56th annual Grammy Awards at Staples Center on Sunday, Jan. 26, 2014, in Los Angeles. (Photo by Matt Sayles/Invision/AP)